Circuit Breakers
Circuit Breakers - Source rare and hard-to-find breakers with ease
At ARCA Supply, we know that circuit breakers are essential to safeguarding electrical systems, protecting them from overloads and short circuits. Whether you're managing a commercial facility, maintaining industrial equipment, or working on residential projects, having the right circuit breakers ensures uninterrupted performance and peace of mind.
Our selection of circuit breakers spans a wide range of applications, from heavy-duty air circuit breakers (ACBs) to compact miniature circuit breakers (MCBs). We offer leading brands like Eaton, Siemens, and Square D, known for their reliability and performance. Whatever your power management needs, you can find the perfect solution here at ARCA Supply.
Explore Our Circuit Breaker Categories:
- Air Circuit Breakers (ACBs): Ideal for large-scale industrial applications, ACBs provide superior protection in high-current scenarios.
- Din Rail Mounted Circuit Breakers: These breakers are designed for quick installation in compact spaces, making them perfect for modular setups.
- Main Breakers: As a crucial part of any electrical system, main breakers ensure that circuits are effectively managed and protected from faults.
- Miniature Circuit Breakers (MCBs): Designed for residential and commercial use, MCBs are essential for protecting lower power circuits from damage.
- Molded Case Breakers (MCCBs): When high current protection is needed, MCCBs offer robust and durable performance.
- Motor Circuit Protectors (MCPs): Specifically engineered to protect motors, MCPs offer fast response times to prevent equipment damage.
- Circuit Breaker Accessories: From trip units to mounting kits, we stock a variety of accessories to enhance the functionality of your breakers.
Leading Brands We Carry:
At ARCA Supply, we carry a comprehensive lineup of top brands to ensure you get the best quality and reliability. Our inventory includes trusted names such as Eaton, Square D, Siemens, and General Electric. With over 2,600 Eaton products and hundreds from brands like ABB, Schneider Electric, and Leviton, you can be confident in finding exactly what you need.
Choose the Right Circuit Breaker:
When selecting a circuit breaker, factors such as current rating, voltage rating, and mounting style are critical. Our range includes options for:
- Current Ratings: From 15A to 600A, ensuring the right protection for every application.
- Voltage Ratings: With options ranging from 120V to 600V for both AC and DC applications.
- Mounting Types: Choose from plug-on, DIN rail, or bolt-on mountings to match your installation requirements.
Why Choose ARCA Supply?
As a trusted distributor specializing in hard-to-find electrical components, we ensure that our circuit breakers meet the highest industry standards. Our commitment to the circular economy also means that unsold products are responsibly recycled, helping to reduce waste while supporting your projects.
Explore our extensive collection of circuit breakers today and find the perfect solution for your electrical system’s needs.
- Air Circuit Breakers (ACBs)
- Din Rail Mounted Circuit Breakers
- Main Breakers
- Miniature Circuit Breakers (MCBs)
- Molded Case Breakers (MCCBs)
- Motor Circuit Protector (MCPs)
- Circuit Breaker Accessories
- Product
- Qty in Cart
- Quantity
- Price
- Subtotal
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Cutler-Hammer 1C96649G02 Circuit Breaker Accessories NULL EA
MSRP $78.00Surplus $96.49Cutler-Hammer 1C96649G02 Circuit Breaker Accessories NULL EA​ ARCA SKU: C15-8872 Brand: Eaton Cutler-Hammer MPN: 1C96649G02 UPC: Shipping Weight: 1.10 lbs. Shipping Height: 15.00 In...- SKU:
- C15-8872
- Catalog:
- Eaton_07871_12_CAT.pdf
- Short Description:
- 6 AWG to 300 KCMIL, Tin Plated Aluminum Connector, Mechanical Lug, Neutral Assembly for PRL1X/PRL2X/PRL1A/PRL2A 100/225 A Panelboard
- Type:
- Neutral Assembly
- Used On:
- XT Series Manual Motor Protector
MSRP $78.00Surplus $96.49 -
Cutler-Hammer 21-A161KD1 Circuit Breaker Accessories NULL EA
MSRP $850.00Surplus $379.18SKU: C15-8881 Brand: Cutler-Hammer MPN: 21-A161KD1 UPC: Shipping Weight: 7.00 lbs. Shipping Height: 5.00 In. Shipping Length: 26.00 In. Shipping Width: 7.00 In...- SKU:
- C15-8881
MSRP $850.00Surplus $379.18 -
Cutler-Hammer 21-A161KD4 Circuit Breaker Accessories NULL EA
MSRP $850.00Surplus $151.74Cutler-Hammer 21-A161KD4 Circuit Breaker Accessories NULL EA​ ARCA SKU: C15-8882 Brand: Eaton Cutler-Hammer MPN: 21-A161KD4 UPC: Shipping Weight: 10.45 lbs. Shipping Height: 5.00 In...- SKU:
- C15-8882
MSRP $850.00Surplus $151.74 -
Cutler-Hammer 21-A181MD4 Circuit Breaker Accessories NULL EA
MSRP $850.00Surplus $132.32Cutler-Hammer 21-A181MD4 Circuit Breaker Accessories NULL EA​ ARCA SKU: C15-8886 Brand: Eaton Cutler-Hammer MPN: 21-A181MD4 UPC: Shipping Weight: 11.90 lbs. Shipping Height: 5.00 In...- SKU:
- C15-8886
MSRP $850.00Surplus $132.32 -
Cutler-Hammer A309VN Miniature Circuit Breakers (MCBs) EA
MSRP $1,200.00Surplus $94.26SKU: C15-11198 Brand: Cutler-Hammer MPN: A309VN UPC: 782114812570 Shipping Weight: 5.05 lbs. Shipping Height: 8.00 In. Shipping Length: 8.00 In. Shipping Width: 3.00...- SKU:
- C15-11198
MSRP $1,200.00Surplus $94.26 -
Cutler-Hammer AA13A Other Circuit Breakers NULL EA
MSRP $860.00Surplus $165.61SKU: C15-5349 Brand: Eaton Cutler-Hammer MPN: AA13A UPC: Shipping Weight: 3.00 lbs. Shipping Height: 3.00 In. Shipping Length: 5.00 In. Shipping Width: 2.00 In...- SKU:
- C15-5349
- Number of Poles:
- 3
- Mounting:
- Starter
- Short Description:
- 600 VAC, 0.25 to 26.2 FLA, 3-Pole, 1NC, Class 20, NEMA 5, Manual/Automatic Reset, Starter Mount, Type A, Bi-Metallic, Thermal, Overload Relay
- Type:
- Type A, Bi-Metallic, Thermal
- Catalog:
- Eaton_36621_V5T2_129-V5T2_131_CAT.pdf
- Series:
- A200
MSRP $860.00Surplus $165.61 -
Cutler-Hammer BAB1020 Molded Case Breakers (MCCBs) EA
MSRP $68.42Surplus $30.37Cutler-Hammer BAB1020 Molded Case Breakers (MCCBs) EA​ ARCA SKU: C15-9338 Brand: Cutler-Hammer MPN: BAB1020 UPC: 78667930120 Shipping Weight: 0.25 lbs. Shipping Height: 3.25 In...- SKU:
- C15-9338
- Mounting:
- Bolt-On
- Terminal Type:
- Extended Tang Line Terminal, Box Lug Load Terminal
- Type:
- Thermal Magnetic, Miniature
- Number of Poles:
- 1
- Interrupting Rating:
- 10 kA
- Current Rating:
- 20 A
- Short Description:
- 120/240 VAC, 20 A, 10 kA, 1-Pole, Extended Tang Line/Box Lug Load Terminal, Bolt-On Mount, Thermal Magnetic, Miniature, Circuit Breaker
- Catalog:
- Eaton_03771_V4T1_11_V4T1_12_V4T1_46_CAT.pdf
- Wire Size:
- 14 to 4 AWG (Copper/Aluminum) (Load)
- Voltage Rating:
- 120/240 VAC
- Country of Origin:
- Dominican Republic
MSRP $68.42Surplus $30.37 -
Cutler-Hammer BAB1030 Molded Case Breakers (MCCBs) EA
MSRP $66.22Surplus $30.60Cutler-Hammer BAB1030 Molded Case Breakers (MCCBs) EA​ ARCA SKU: C15-9343 Brand: Eaton Cutler-Hammer MPN: BAB1030 UPC: 78667930130 Shipping Weight: 0.25 lbs. Shipping Height: 3.25 In...- SKU:
- C15-9343
- Series:
- BAB
- Type:
- Thermal Magnetic
- Terminal Type:
- Extended Tang Line, Box Lug Load
- Mounting:
- Bolt-On
- Short Description:
- 120/240 VAC, 30 A, 10 kA, 1-Pole, Extended Tang Line/Box Lug Load Terminal, Bolt-On Mount, Thermal Magnetic, Miniature, Circuit Breaker
- Catalog:
- Eaton_03771_V4T1_11_V4T1_12_V4T1_46_CAT.pdf
- Wire Size:
- 14 to 4 AWG Copper/Aluminum (Load)
- Number of Poles:
- 1
- Voltage Rating:
- 120/240 VAC
- Current Rating:
- 30 A
- Interrupting Rating:
- 10 kA at 120/240 VAC, 5 kA at 24 to 48 VDC, 3.8 kA at 62.5 VDC
- Country of Origin:
- Dominican Republic
MSRP $66.22Surplus $30.60 -
Cutler-Hammer BAB2020CS Miniature Circuit Breakers (MCBs) EA
MSRP $200.00Surplus $54.00Cutler-Hammer BAB2020CS Miniature Circuit Breakers (MCBs) EA​ ARCA SKU: C15-11197 Brand: Cutler-Hammer MPN: BAB2020CS UPC: Shipping Weight: 0.90 lbs. Shipping Height: 3.00 In...- SKU:
- C15-11197
MSRP $200.00Surplus $54.00 -
Cutler-Hammer BAB2100S Miniature Circuit Breakers (MCBs)
MSRP $338.10Surplus $105.52SKU: C15-11634 Brand: Cutler-Hammer MPN: BAB2100S UPC: Shipping Weight: 1.05 lbs. Shipping Height: 3.00 In. Shipping Length: 4.00 In. Shipping Width: 4.00 In...- SKU:
- C15-11634
MSRP $338.10Surplus $105.52 -
Cutler-Hammer BR220 Miniature Circuit Breakers (MCBs) NULL EA
MSRP $88.02Surplus $11.82Cutler-Hammer BR220 Miniature Circuit Breakers (MCBs) NULL EA​ ARCA SKU: C15-8973 Brand: Eaton Cutler-Hammer MPN: BR220 UPC: 786676362856 Shipping Weight: 0.50 lbs. Shipping...- SKU:
- C15-8973
- TS PIK:
- 21493856
- Series:
- BR
- Voltage Rating:
- 120/240 VAC
- Type:
- Thermal Magnetic, Common Trip
- Current Rating:
- 20 A
- Number of Poles:
- 2
- Short Description:
- 120/240 VAC, 20 A, 10 kA Interrupt, 2-Pole, Plug-On Mount, Common Trip, Thermal Magnetic Circuit Breaker
- Mounting:
- Plug-On
- Interrupting Rating:
- 10 kA
- Catalog:
- EatonCorp_00568_V1T1_84_CAT.pdf
- Size:
- 1.9 Inch Length x 2 Inch Width x 2.5 Inch Height
- Used On:
- Type BR Load Center
- Wire Size:
- 14 to 4 AWG Copper/Aluminum at 60 Deg C
- Country of Origin:
- Dominican Republic
MSRP $88.02Surplus $11.82 -
Cutler-Hammer BR370 Miniature Circuit Breakers (MCBs)
MSRP $994.00Surplus $426.95SKU: C15-11451 Brand: Cutler-Hammer MPN: BR370 UPC: Shipping Weight: 1.00 lbs. Shipping Height: 3.00 In. Shipping Length: 3.00 In. Shipping Width: 3.00 In. Product...- SKU:
- C15-11451
- TS PIK:
- 21493900
- Number of Poles:
- 3
- Wire Size:
- 4 to 1/0 AWG (Aluminum/Copper)
- Short Description:
- 240 VAC, 70 A, 10 kA, 3-Pole, Plug-On Mount, Common Trip, Circuit Breaker
- Used On:
- Type BR Load Center
- Voltage Rating:
- 240 VAC
- Type:
- Common Trip
- Series:
- BR
- Mounting:
- Plug-On
- Current Rating:
- 70 A
- Catalog:
- Eaton_36620_V1T1_85_CAT.pdf
- Size:
- 1.9 Inch Length x 2.9 Inch Width x 2.5 Inch Height
- Interrupting Rating:
- 10 kA at 240 VAC
MSRP $994.00Surplus $426.95 -
Cutler-Hammer CA3175 Miniature Circuit Breakers (MCBs) NULL
MSRP $5,297.00Surplus $1,128.59SKU: C15-6749 Brand: Cutler-Hammer MPN: CA3175 UPC: Shipping Weight: 4.00 lbs. Shipping Height: 5.00 In. Shipping Length: 7.00 In. Shipping Width: 5.00 In. Product...- SKU:
- C15-6749
- Short Description:
- 240 VAC, 175 A, 10 kA, 3-Pole, Line and Load Terminal, CA Frame, Fixed Trip, Thermal Magnetic, Molded Case, Non-Interchangeable Trip Circuit Breaker
- Series:
- CA
- Type:
- Molded Case, Fixed Trip, Thermal Magnetic
- Interrupting Rating:
- 10 kA at 240 VAC
- Terminal Type:
- Line and Load Terminal
- Number of Poles:
- 3
- Current Rating:
- 175 A
- Voltage Rating:
- 240 VAC
- Catalog:
- Eaton_36656_8_CAT.pdf
- Size:
- 4.13 Inch W x 2.69 Inch D x 6.5 Inch H
MSRP $5,297.00Surplus $1,128.59 -
Cutler-Hammer CH120 Miniature Circuit Breakers (MCBs) NULL EA
MSRP $21.60Surplus $6.06Cutler-Hammer CH120 Miniature Circuit Breakers (MCBs) NULL EA​ ARCA SKU: C15-9292 Brand: Cutler-Hammer MPN: CH120 UPC: Shipping Weight: 0.25 lbs. Shipping Height: 1.00 In. Shipping...- SKU:
- C15-9292
- Number of Poles:
- 1
- Used On:
- CH Series Load Center
- Short Description:
- 120/240 VAC, 20 A, 10 kA, 1-Pole, Plug-On Mount, Thermal Magnetic, Circuit Breaker
- Catalog:
- Eaton_36620_V1T1_36_V1T1_37_CAT.pdf
- Series:
- CH
- Installation/Operator:
- Eaton_00231_INST.pdf
- Voltage Rating:
- 120/240 VAC
- Type:
- Thermal Magnetic
- Mounting:
- Plug-On
- Current Rating:
- 20 A
- Interrupting Rating:
- 10 kA
- Wire Size:
- (1) 14 to 8 AWG (Copper/Aluminum), (2) 14 to 10 AWG Solid/Stranded (Copper/Aluminum)
- Country of Origin:
- United States
MSRP $21.60Surplus $6.06 -
Cutler-Hammer CH215 Miniature Circuit Breakers (MCBs) 2P 15A 240V NULL EA
MSRP $51.00Surplus $36.01Cutler-Hammer CH215 Miniature Circuit Breakers (MCBs) 2P 15A 240V NULL EA​ ARCA SKU: C15-1398 Brand: Cutler-Hammer MPN: CH215 UPC: 78211310172 Shipping Weight: 0.50 lbs. Shipping...- SKU:
- C15-1398
- Series:
- CH
- Type:
- Thermal Magnetic
- Type:
- Common Trip
- Volts:
- 120/240 VAC
- Amps:
- 32 A
- Used On:
- Type CH Loadcenter
- Poles:
- 2
- Mounting:
- Plug-On
- Interrupting Rating:
- 10 kA
- Wire Size:
- (1) 14 to 8 AWG
- Wire Size:
- (2) 14 to 10 AWG
- Short Description:
- 120/240 VAC, 15 A, 10 kA, 2-Pole, Plug-On Mount, Common Trip, Thermal Magnetic
- Catalog:
- Eaton_36620_V1T1_36_V1T1_37_CAT.pdf
- Installation/Operator:
- Eaton_00008_INST.pdf
- Manufacturer Warranty:
- Eaton_00009_WARR.pdf
- Current Rating:
- 15 A
- Voltage Rating:
- 120/240 VAC
- Number of Poles:
- 2
- Country of Origin:
- Dominican Republic
MSRP $51.00Surplus $36.01 -
Cutler-Hammer CH360ST Molded Case Breakers (MCCBs)
MSRP $1,341.00Surplus $226.89SKU: C15-11633 Brand: Cutler-Hammer MPN: CH360ST UPC: Shipping Weight: 1.25 lbs. Shipping Height: 5.00 In. Shipping Length: 4.00 In. Shipping Width: 4.00 In...- SKU:
- C15-11633
MSRP $1,341.00Surplus $226.89 -
Cutler-Hammer CHQ115AF Miniature Circuit Breakers (MCBs)
MSRP $333.00Surplus $64.93SKU: C15-11631 Brand: Cutler-Hammer MPN: CHQ115AF UPC: Shipping Weight: 0.45 lbs. Shipping Height: 2.00 In. Shipping Length: 7.00 In. Shipping Width: 4.00 In...- SKU:
- C15-11631
MSRP $333.00Surplus $64.93 -
Cutler-Hammer EDBL3125L Surge Protection Devices (SPDs) NULL
MSRP $4,956.00Surplus $947.84SKU: C15-6746 Brand: Eaton Cutler-Hammer MPN: EDBL3125L UPC: Shipping Weight: 4.10 lbs. Shipping Height: 5.00 In. Shipping Length: 8.00 In. Shipping Width: 5.00 In...- SKU:
- C15-6746
MSRP $4,956.00Surplus $947.84 -
Cutler-Hammer EHD2010L Molded Case Breakers (MCCBs)
MSRP $818.00Surplus $257.67SKU: C15-11626 Brand: Cutler-Hammer MPN: EHD2010L UPC: Shipping Weight: 2.95 lbs. Shipping Height: 4.00 In. Shipping Length: 8.00 In. Shipping Width: 6.00 In...- SKU:
- C15-11626
MSRP $818.00Surplus $257.67 -
Cutler-Hammer FB2040PL Molded Case Breakers (MCCBs) NULL
MSRP $370.00Surplus $154.56Cutler-Hammer FB2040PL Molded Case Breakers (MCCBs) NULL​ ARCA SKU: C15-6765 Brand: Eaton Cutler-Hammer MPN: FB2040PL UPC: Shipping Weight: 5.70 lbs. Shipping Height: 7.00 In...- SKU:
- C15-6765
MSRP $370.00Surplus $154.56